#light:hover{
    color: darkgoldenrod;
   }
#box2{
height: 360px;
background-image: url(http://www.yiliao.com/course_bg.jpg);
}
#box3 img{
    position: relative;
    right: -410px;
    top: 20px;
    width: 130px;
    height: 130px;
    border-radius: 65px;
   } 
#nva{
padding: 5px;
width: 1000px;
font-size: 17px;
line-height: 30px;
border: 0px solid wheat;
padding: 5px;
margin: 0px 200px;
}